Quartz Blanks

Quartz Blanks
This material consists of single-crystal right-handed a-quartz artificially grown bars which is intended for use in fabrication of piezoelectric for such as timing frequency control and frequency selection under hydro-thermal condition on a seed with its length along the Y axis.
piezo single crystal blank
Product Parameters

Material Quartz Blanks（ Piezo Grade）
Materials Both Pure Z and Y Bar available
Synthetic Q-Value Min 1.8x10^6, 2.4x10^6 to 3.0x10^6     IEC
Etch Channel Density Max 10/c㎡, Max 30/c㎡, Max 100/c㎡, Max 100/c㎡, Max 300/c㎡; Swept
Inclusions Density Ia, Ib, I, II, III
Cut Type AT, BT, CT, DT, GT, NT, FC, SC, IT, …, etc
Angle Tolerance(¯) Theta Angle: ¯5″， ¯10″， ¯15″， ¯30″， ¯1′, ¯2′, … , etc     
Phi Angle:¯5′, ¯10′, ¯15′, ¯30′, … , etc
Diameter For Round Blank From 3.0mm to 50.80mm (with flat)
Size For Square Blank 1.6x1.6mm ～ 38x38mm
Size For SMD Blank 1.2x2.4mm Above at Customer option
Diameter/Size Tolerance(¯) ¯0.01 mm
Frequency 1 Mhz up to 54Mhz for AT-Cut Fundamental; Upto 70Mhz By Etching
Flat As request the flat shall be perpendicular to X axis within ¯10 deg
Surface Finishing #1000(9u); #2000(7u); #3000(5u); #4000(3u) (Sic); Polished(Cerium oxide）and & etched  Std  
Overtone Fundamental; Third Overtone (3rd); Fifth Overtone (5th)
Contouring (Diopter) Plano-Convex: 0.5 Diopter ～ 10 Diopter         Bi-Convex: 10 Diopter ～ 15 Diopter 
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